# CVE-2026-9143

## Summary

- **CVE ID:** CVE-2026-9143
- **Severity:** MEDIUM
- **CVSS Score:** 6.3 (CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N)
- **CWE:** CWE-681
- **Published:** Jun 19, 2026
- **Last Modified:** Jun 22, 2026

## Description

There is an incorrect conversion between numeric types vulnerability in NI grpc-device due to missing range checks in CodeGen.  This may silently discard high bits if a size value exceeded the target type's range. This affects NI grpc-device 2.17.0 and prior versions.

## Affected Products

- NI — grpc-device (0)
- NI — InstrumentStudio (0)

## References

- [CNA](https://www.ni.com/en/support/security/available-critical-and-security-updates-for-ni-software/2026/multiple-vulnerabilities-in-ni-grpc-device-server.html)
- [CNA](https://github.com/ni/grpc-device/security/advisories/GHSA-rhh6-fvjv-8m84)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.30%
- **EPSS Percentile:** 22.5

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._